20211897465

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1429}}^1\times {\mathrm{6163}}^1$

素因数の和:7623

約数の個数: 64

約数和(自身を含む): 38078726400

約数和(自身を除く): 17866828935

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 1429, 2295, 4287, 6163, 7145, 12861, 18489, 21435, 24293, 30815, 38583, 55467, 64305, 72879, 92445, 104771, 121465, 166401, 192915, 218637, 277335, 314313, 364395, 523855, 655911, 832005, 942939, 1093185, 1571565, 2828817, 3279555, 4714695, 8806927, 14144085, 26420781, 44034635, 79262343, 132103905, 149717759, 237787029, 396311715, 449153277, 748588795, 1188935145, 1347459831, 2245766385, 4042379493, 6737299155, 20211897465]

約数ペア:

[(1, 20211897465), (3, 6737299155), (5, 4042379493), (9, 2245766385), (15, 1347459831), (17, 1188935145), (27, 748588795), (45, 449153277), (51, 396311715), (85, 237787029), (135, 149717759), (153, 132103905), (255, 79262343), (459, 44034635), (765, 26420781), (1429, 14144085), (2295, 8806927), (4287, 4714695), (6163, 3279555), (7145, 2828817), (12861, 1571565), (18489, 1093185), (21435, 942939), (24293, 832005), (30815, 655911), (38583, 523855), (55467, 364395), (64305, 314313), (72879, 277335), (92445, 218637), (104771, 192915), (121465, 166401)]